Related Clues:
- Either sing together or refrain
- Concert introduces first sign of strain to marriage
- Concert outside society wedding
- All voices together
- Singing group - refrain
- Complete agreement
- All singing the same notes
- All singing together
- Supporting singers and dancers
- Harmony - public services' trade union
- Togetherness - TUC member
- Concordance
- Sing(ing) together
- Trade union (where all agree?)
- The concordant trade union?